title: Does treatment with cimetidine extended beyond initial healing of duodenal ulcer reduce the subsequent relapse rate?
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D004381:Duodenal Ulcer / Q000517:prevention & control*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D012008:Recurrence
chemical_list: D006146:Guanidines; D002927:Cimetidine